Proton outage, 30 June 2026

Proton Calendar Issue

Started
Resolved
30 Jun 2026, 15:00 UTC
Impact
Not stated

Last update from Proton

We experienced an infrastructure issue on our API that caused some users to experience an empty Calendar app on Android, with no events or calendars displayed. No data was lost, and all events and calendars remained safe. The underlying issue was resolved at 2026-06-30 19:38 UTC. If you have been affected and are still not seeing your data within the app, here are quick steps to resolve the issue: Tap the hamburger menu on the left side → Click Refresh If that was not sufficient, you can log out and log back in. Should you require further assistance in the matter, please contact support.

30 Jun 2026, 15:00 UTC

Read the full incident on the official Proton status page

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